Comprehension Questions: The Greenhouse Effect



Directions: You may refer to each of the hyperlinked reading passages to answer the following questions. Be sure to use your own words in the answer.
Type your answers directly into the boxes below. The space will expand to allow you to write as much as you need to.
When you are finished, be sure to print out a copy of your answers for yourself. Then SUBMIT your answers by pressing the button on the bottom of the screen.


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  1. What is the greenhouse effect?

  1. Name three causes of the greenhouse effect.

  1. What could be the result(s) if the temperature of the earth increased by as few as two degrees Fahrenheit?

  1. What protects the earth from the ultraviolet radiation of the sun?

  1. Describe what happens to ozone when it reacts with chlorine.

  1. What have chemicals such as chlorofluorocarbons caused in the ozone layer?

  1. What are some of the consequences of ozone depletion?

  1. What were the terms of the Montreal Protocol?

  1. In what way(s) was the Kyoto Treaty special?

  1. Under normal conditions, the Greenhouse Effect maintains the earth at an average temperature of ____ degrees? Write the appropriate number in the space provided.

  1. According to the Greenhouse Timeline, "1987 was the warmest year on record to that date. The 1980s turned out to be the warmest decade, with seven of the eight warmest years recorded up to 1990. Even the coldest years in the 1980s were warmer than the warmest years of the 1880s." Based on this information, what inferences can you draw regarding global warming? Be specific and explain your answer.

  1. THIS IS A TWO-PART QUESTION:
    • Using the information provided in all of the readings, summarize what the nations of the world have done to deal with the problem of global warming.
    • Based on what you've read, do you believe that the nations have done enough to stop global warming? Explain your answer.

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  • Last updated on November 10, 2002